A Speex security update has been released for Ubuntu Linux 16.04 ESM, 18.04 LTS, 20.04 LTS, and 21.10.

USN-5280-1: Speex vulnerability

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Ubuntu Security Notice USN-5280-1
February 10, 2022

speex vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

Speex could be made to denial of service if it received a specially
crafted WAV file.

Software Description:
- speex: The Speex codec command line tools

Details:

It was discovered that Speex incorrectly handled certain WAV files.
An attacker could possibly use this issue to cause a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 21.10:
speex 1.2~rc1.2-1.1ubuntu1.21.10.1

Ubuntu 20.04 LTS:
speex 1.2~rc1.2-1.1ubuntu1.20.04.1

Ubuntu 18.04 LTS:
speex 1.2~rc1.2-1ubuntu2.1

Ubuntu 16.04 ESM:
speex 1.2~rc1.2-1ubuntu1+esm1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5280-1
CVE-2020-23903

Package Information:
  https://launchpad.net/ubuntu/+source/speex/1.2~rc1.2-1.1ubuntu1.21.10.1
  https://launchpad.net/ubuntu/+source/speex/1.2~rc1.2-1.1ubuntu1.20.04.1
  https://launchpad.net/ubuntu/+source/speex/1.2~rc1.2-1ubuntu2.1